testtreeseterror.java

来自「疯狂Java讲义_源码(含Java设计模式CHM」· Java 代码 · 共 25 行

import java.util.*;
/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
class Err
{
}
public class TestTreeSetError
{
	public static void main(String[] args) 
	{
		TreeSet ts = new TreeSet();
		//向TreeSet集合中添加两个Err对象
		ts.add(new Err());
		ts.add(new Err());
	}
}